Update minimum postgresql version

We started requiring postgresql 12 after the migrations in #4319

diff --git a/INSTALL.md b/INSTALL.md
index 59e924b9b86da2280fc2cfb4d6cb94abad782984..ec219b504a2002ac7bd9cd8891baeb4ec793798f 100644 (file)
--- a/INSTALL.md
+++ b/INSTALL.md
@@ -23,7 +23,7 @@ of packages required before you can get the various gems installed.
 ## Minimum requirements
 
 * Ruby 3.0+
-* PostgreSQL 9.1+
+* PostgreSQL 12+
 * Bundler (see note below about [developer Ruby setup](#rbenv))
 * Javascript Runtime